* {
    margin: 0;
    padding: 0;
}

.homeApp ul {
    list-style: none;
}

a {
    text-decoration: none;
}

body {
    background-color: #f5f5f5;
    color: #333;
    font: 14px/1.5 Helvetica Neue, Helvetica, Arial, Microsoft Yahei, Hiragino Sans GB, Heiti SC, WenQuanYi Micro Hei, sans-serif;
}

.clearfix::after {
    content: "";
    display: block;
    clear: both;
}

.fr {
    float: right;
}

.fl {
    float: left;
}